CVE-2026-64246: linux Use After Free
CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-64246DEBIAN-CVE-2026-64246
Published 24-07-2026Last modified 17-08-2026
Vulnerability summary
CVE-2026-64246 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.5% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.12%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 31 · Related 31OPENSUSE-SU-2026:11476-1OPENSUSE-SU-2026:21910-1SUSE-SU-2026:23477-1SUSE-SU-2026:23481-1SUSE-SU-2026:23528-1SUSE-SU-2026:23529-1SUSE-SU-2026:23881-1SUSE-SU-2026:23887-1SUSE-SU-2026:23897-1SUSE-SU-2026:23902-1SUSE-SU-2026:4120-1SUSE-SU-2026:4254-1USN-8726-1USN-8726-2USN-8726-3USN-8726-4USN-8727-1USN-8728-1USN-8728-2USN-8728-3USN-8760-1USN-8760-2USN-8800-1USN-8875-1USN-8875-2USN-8877-1USN-8878-1USN-8879-1USN-8886-1USN-8917-1USN-8918-1
Timeline
- 24-07-2026PublishedVulnerability first disclosed.
- 17-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: power: reset: linkstation-poweroff: fix use-after-free in the linkstation_poweroff_init() Move of_node_put(dn) after the of_match_node() call, which still needs the node pointer. The node reference is correctly released after use.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.12%
Chance of exploitation in the next 30 days
Percentile
2%
Versus all other CVEs
30-day change
0.00 pp
From 0.12% on 20-09-2026
20-09-202620-10-2026
EPSS score0.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu157 products
- linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-147.147 | < 7.0.0-31.31
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1067.70 | < 7.0.0-1012.12
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ e2f471efe1d607a7aff38ce53ec717cebe4283d6, < 93c7ee139721936b6fa717572e74d3994603ae13 | ≥ e2f471efe1d607a7aff38ce53ec717cebe4283d6, < cdda7d384c05485a232ae9a849f6445accb095bf | ≥ e2f471efe1d607a7aff38ce53ec717cebe4283d6, < c04d606f8b35ee7d3ed243f63893a607e9d6c0bc | ≥ e2f471efe1d607a7aff38ce53ec717cebe4283d6, < 3928ae803dee044b01076c478c279c0bd54164cd | ≥ e2f471efe1d607a7aff38ce53ec717cebe4283d6, < 2205275be9be981e70ff29610b0117d8853fac70 | ≥ e2f471efe1d607a7aff38ce53ec717cebe4283d6, < d109e72f3fbccb540473285d17d7519584f7f76e | ≥ e2f471efe1d607a7aff38ce53ec717cebe4283d6, < 8eec545cde69e46e9a1d2b7d915ce4f5df85b3bd | 5.15
- linux_kernel≥ 5.15, < 5.15.211 | ≥ 5.16, < 6.1.177 | ≥ 6.2, < 6.6.144 | ≥ 6.7, < 6.12.95 | ≥ 6.13, < 6.18.38 | ≥ 6.19, < 7.1.3
Debian1 product
- linux< 6.1.177-1 | < 6.12.95-1 | < 7.1.3-1
3 vendors · 160 products
